Export Grape API docs to single html file using Swagger and Bootprint

gistfile1.txt

# Ensure swagger docs have been generated for your app,
# by weirdly running your app locally and navigating to route
# that matches whwere the docs are mounted
rails s -p 3001

# Install bootprint
npm install -g bootprint
npm install -g bootprint-openapi

# Use Bootprint to generate docs from the default swagger docs location
bootprint openapi http://petstore.swagger.io/v2/swagger.json TARGET_DIR

# Combine files into a single file
npm -g install html-inline
html-inline TARGET_DIR/index.html > OUTPUT.html